Department of Civil Engineering

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Birgönül, Mustafa Talat (181)
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Recent Submissions

Analysis and prediction of masonry wallette strength under combined compression-bending via stochastic computational modeling
Gonen, Semih; Pulatsu, Bora; Lourenço, Paulo B.; Lemos, José V.; Tuncay, Kağan; Erduran, Emrah (2023-03-01)
© 2022 The Author(s)The out-of-plane flexural bending capacity of masonry is a fundamental property for understanding the behavior of masonry structures. This study investigates the behavior of unreinforced masonry wallett...
Capacity controlled search: A new and efficient design-driven method for discrete size optimization of steel frames
Eser, Hasan; Hasançebi, Oğuzhan (2023-01-15)
© 2022 Elsevier LtdThis paper presents a new and efficient design-driven method, called the capacity controlled search (CCS) algorithm, which is developed to handle sizing optimization of especially large-scale steel frame...
Global propagation of air pressure waves and consequent ocean waves due to the January 2022 Hunga Tonga-Hunga Ha'apai eruption
Dogan, Gozde Guney; Yalçıner, Ahmet Cevdet; Annunziato, Alessandro; Yalçıner, Bora; Necmioglu, Ocal (2023-01-01)
© 2022 Elsevier LtdOn January 15, 2022, the Hunga Tonga-Hunga Ha'apai volcano's huge eruption generated tsunami waves globally due to an unusual source in this unique event: fast-traveling air pressure disturbances origina...
Development of a site selection methodology for run-of-river hydroelectric power plants within the water-energy-ecosystem nexus
Temel, Pelin; Kentel Erdoğan, Elçin; Alp, Emre (2023-01-01)
Even though water-energy systems and ecosystems have complex relationships, regional energy policies seldom con-sider this connection. The current regional energy policies are developed primarily based on technical and soc...
Impact of local site effects on seismic risk assessment of reinforced concrete bridges
Ozsarac, Volkan; Ricardo, Monteiro; Askan Gündoğan, Ayşegül; Calvi, Gian Michele (2023-01-01)
In most practical applications of performance-based earthquake engineering, the local site characteristics are considered simplistically, and soil-structure interaction effects are ignored. Within such a conventional appro...
Narratives of Project Risk Management: From Scientific Rationality to the Discursive Nature of Identity Work
Green, Stuart D.; Dikmen Toker, İrem (2022-12-01)
The dominant narrative of project risk management pays homage to scientific rationality while conceptualizing risk as objective fact. Yet doubts remain regarding the extent to which the advocated quantitative techniques ar...
Effect of Terrestrial Laser Scanning (TLS) parameters on the accuracy of crack measurement in building materials
Oytun, Mert; Atasoy Özcan, Güzide (2022-12-01)
Terrestrial Laser Scanners (TLS) have gained momentum in identifying cracks and deformations. Although TLS efficiency has been recognized over time, the scan data quality is contingent upon various parameters (e.g., materi...
Probabilistic approach to assess URM walls with openings using discrete rigid block analysis (D-RBA)
Pulatsu, Bora; Gonen, Semih; Parisi, Fulvio; Erdogmus, Ece; Tuncay, Kağan; Funari, Marco Francesco; Lourenco, Paulo B. (2022-12-01)
This study aims to improve our current understanding of the seismic assessment of load-bearing unreinforced masonry (URM) systems by proposing a probabilistic computational modeling framework using the discrete element met...
Investigation of layout optimization for offshore wind farms and a case study for a region in Turkey
Kaya, Baran; Oğuz, Elif (2022-12-01)
In this paper, the focus was to develop an optimization tool by using mathematical layout optimization methods applied to increase the energy capacity or reduce the cost of anoffshore wind farm. For this purpose, two wind ...
Multidimensional Governing Equations of Matrix Flow Component of Subsurface Stormflow as Function of Bedrock Surface Geometry
Kavvas, M. Levent; Tu, Tongbi; Ercan, Ali; Chen, Z. Q. (2022-12-01)
Generalizations of incompressible and compressible Navier–Stokes equations to fractional time and multi-fractional space
Kavvas, M. Levent; Ercan, Ali (2022-12-01)
This study develops the governing equations of unsteady multi-dimensional incompressible and compressible flow in fractional time and multi-fractional space. When their fractional powers in time and in multi-fractional spa...
Seismic collapse safety based optimization of steel Moment-Resisting frames
Gholizadeh, Saeed; Hasançebi, Oğuzhan; Eser, Hasan; Koçkaya, Okan (2022-11-01)
Structures must have a reasonable seismic safety margin in order to ensure life-safety as well as to prevent structural collapse caused by earthquakes. On the other hand, the cost-efficiency and economy of structures are i...
Exploring pattern of complexity in mega construction projects
Bilgin, Gizem; Erol, Hacı Hüseyin; Atasoy Özcan, Güzide; Dikmen Toker, İrem; Birgönül, Mustafa Talat (2022-11-01)
Purpose Megaprojects are known as complex projects that involve high levels of uncertainty. This interpretive study explores and portrays perceived complexity in mega construction projects by lived experiences of project m...
Predictive kappa (kappa) models for Turkey: Regional effects and uncertainty analysis
Altindal, Abdullah; Askan Gündoğan, Ayşegül (2022-11-01)
High-frequency attenuation of ground motions is commonly characterized by the kappa parameter. kappa and its value at zero distance, kappa(0), are critical parameters for site characterization, ground motion simulations, a...
High temperature exposure of alkali-activated coal fly ashes
Seyedian Choubi, Sepehr; Akgül, Çağla (2022-11-01)
© 2022 Elsevier LtdThis study systematically investigates the impact of heat exposure on the performance of a wide range of alkali-activated coal fly ashes (AAF). Three low-Ca and three high-Ca coal fly ashes (CFAs) were a...
Influence of the proportion of FRP to steel reinforcement on the strength and ductility of hybrid reinforced concrete beams
KARTAL, SARUHAN; KALKAN, İLKER; MERTOL, HALİT CENAN; Baran, Eray (2022-11-01)
The present study pertains to the influence of variation of FRP (Fiber Reinforced Polymer) proportion in tension reinforcement on the flexural behavior of RC beams with FRP and steel reinforcing bars. A total of 25 beams, ...
Investigation of CFS shear walls with two-sided sheathing and dense fastener layout
Pehlivan, Barış Mert; Baran, Eray; Topkaya, Cem; Isik, Yagmur Topcuoglugil (2022-11-01)
© 2022 Elsevier LtdEven though CFS framed shear walls have been the subject of many research, test data on walls sheathed with OSB panels on both sides using relatively small fastener spacing is scarce. The current investi...
Exploring quality issues in building information models via structural design reviews
Candir, Esat; Atasoy Özcan, Güzide (2022-11-01)
Building Information Models (BIMs) are being used widely in the construction industry. BIMs generally contain errors and mistakes, if not identified, might result in long review processes with the employers or cause issues...
A Decision Support System for Project Portfolio Management in Construction Companies
Bilgin, Gozde; Dikmen Toker, İrem; Birgönül, Mustafa Talat; ÖZORHON ORAKÇAL, BELİZ (2022-11-01)
Project portfolio management requires a systematic process that comprises assessment of portfolio risk and expected profitability, as well as strategic fit of individual projects with company objectives. After a needs anal...
Spatiotemporal trends in daily and subdaily rainfall extremes and return levels in Turkey
Albayrak, Derya; Şen, Ömer Lütfi; Yücel, İsmail (2022-11-01)
In this study, we present the long-term daily and subdaily station data of annual extreme rainfall (1970-2015) and the trend analyses in rainfall regimes in Turkey. Trends in 5, 10, 15, and 30 min, 1, 2, 6, 12, and 24 hr o...
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